Reverse traceroute and spoofing of sources of packets?

Christopher Morrow christopher.morrow at
Thu Sep 9 20:22:07 UTC 2010

I missed this meeting/preso when it happened (yes, 5+ meetings ago)


I note the talks about using spoofed source packets to do some
measurement, I didn't see anyone in the video say: "But spoofing is
bad, but you want YOU to be able to do this? what? isn't that a little

Isn't it? and why would someone (an isp) disable BCP38 for this sort
of activity?


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